3948068
Molded Hose
Cummins®

Introduction

The Cummins 3948068 Molded Hose is a specialized component designed for use in commercial trucks. It serves a vital function in the vehicle’s fluid transport systems, ensuring efficient operation and reliability. Understanding its purpose and significance can help maintain the truck’s performance and longevity.

Basic Concepts of Molded Hoses

Molded hoses are manufactured through a process where synthetic or natural rubber is formed around a textile or wire reinforcement. This construction method provides durability and flexibility, making molded hoses suitable for various automotive applications. They are commonly used in fuel, coolant, and brake systems due to their ability to withstand high pressure and temperature variations ¹.

Purpose of the 3948068 Molded Hose

The 3948068 Molded Hose is specifically designed to connect various systems within a truck, facilitating the transport of fluids such as coolant or fuel. It ensures a secure and leak-free connection between components, contributing to the overall efficiency and safety of the vehicle’s operation.

Key Features

This Cummins part is constructed using high-quality materials that offer resistance to wear, corrosion, and extreme temperatures. Its design includes reinforced ends for secure connections and flexibility in the hose body to accommodate movement and vibration. These features enhance its performance and durability in demanding conditions.

Benefits

The advantages of using the 3948068 Molded Hose include improved reliability in fluid transport systems, resistance to environmental factors that cause wear and tear, and enhanced performance under high-stress conditions. These benefits contribute to the overall efficiency and longevity of the truck’s operation.

Installation Considerations

When installing the 3948068 Molded Hose, it is important to ensure compatibility with other components in the system. Proper tools and equipment should be used to facilitate a secure and leak-free connection. Following manufacturer guidelines can help achieve optimal performance and durability.

Troubleshooting Common Issues

Common problems associated with molded hoses include leaks and degradation over time. Regular inspections can help identify issues early. Troubleshooting steps may involve checking connection points for tightness, inspecting the hose for signs of wear or damage, and replacing the hose if necessary to maintain system integrity.

Maintenance Tips

To ensure the longevity and optimal performance of the 3948068 Molded Hose, regular maintenance practices are recommended. This includes periodic inspections for signs of wear, checking connection points for leaks, and following replacement guidelines based on the manufacturer’s recommendations or when signs of degradation are observed.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and history of excellence make it a trusted name in the automotive and heavy-duty truck sectors.

Cummins Engine Compatibility with Molded Hose Part 3948068

The molded hose part 3948068, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This hose is integral to the engine’s cooling and fuel systems, ensuring optimal performance and reliability. Below is a detailed description of how this part integrates with specific Cummins engines.

6C8.3

The 6C8.3 engine benefits from the molded hose part 3948068, which is crucial for maintaining the integrity of the engine’s cooling system. This hose ensures that coolant flows efficiently, preventing overheating and maintaining engine longevity.

ISC CM554 and ISL CM554

Both the ISC CM554 and ISL CM554 engines utilize the molded hose part 3948068 for their fuel delivery systems. This hose is designed to withstand the high pressures and temperatures associated with these engines, ensuring a reliable fuel supply and preventing leaks.

ISC CM850

The ISC CM850 engine incorporates the molded hose part 3948068 in its cooling system. The hose’s durability and flexibility make it ideal for the demanding conditions within this engine, ensuring that coolant circulates effectively.

ISL9 CM2150 SN

The ISL9 CM2150 SN engine also relies on the molded hose part 3948068 for its cooling and fuel systems. This hose is engineered to handle the rigorous demands of this high-performance engine, providing a secure and efficient connection.

QSC8.3 CM554 and QSL9 CM554

The QSC8.3 CM554 and QSL9 CM554 engines both feature the molded hose part 3948068 in their cooling systems. This hose is designed to endure the extreme conditions within these engines, ensuring that coolant flows smoothly and efficiently, thereby preventing overheating and maintaining engine performance.

Role of Part 3948068 Molded Hose in Engine Systems

The part 3948068 molded hose is an essential component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth transfer of fluids and gases between different parts of the engine, ensuring optimal performance and longevity.

Breather System Integration

In the breather system, the molded hose connects the crankcase to the breather valve. This connection allows for the release of pressure build-up within the crankcase, which occurs due to the combustion process. By providing a controlled pathway for these gases to escape, the molded hose helps maintain a stable environment within the crankcase, preventing excessive pressure that could lead to leaks or damage.

Crankcase Ventilation

The crankcase ventilation system relies on the molded hose to channel gases from the crankcase to the intake manifold or another designated outlet. This process is vital for removing contaminants and moisture that accumulate during engine operation. Efficient ventilation prolongs the life of the engine by reducing the risk of sludge formation and corrosion.

Enhanced Engine Performance

By ensuring proper breather and crankcase ventilation, the molded hose contributes to overall engine performance. It helps maintain consistent oil levels, reduces the likelihood of oil contamination, and supports the engine’s ability to operate smoothly under various conditions.

Conclusion

The 3948068 Molded Hose plays a significant role in the efficient operation of commercial trucks by ensuring reliable fluid transport and engine ventilation. Its high-quality construction, compatibility with various Cummins engines, and essential role in maintaining engine performance make it a critical component for truck owners and maintenance professionals.